Danco seat model No. 44. Hot and cold 9C-23H/C. Durable brass construction. Fits American Standard tub/shower Colony Line C-101 to C-333. For both hot and cold water applications. Includes faucet seat. ID length 9, broach C. Complies with the reduction of lead in drinking water act. Warning: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. - Lead